Changed the parameter of QgsCoordinateReferenceSystem::readXML() to const

and removed const_cast<> where not needed any longer

Author: SebDieBln

python/core/qgscoordinatereferencesystem.sip

@@ -185,7 +185,7 @@ class QgsCoordinateReferenceSystem
      * @param theNode The node from which state will be restored
      * @return bool True on success, False on failure
      */
-    bool readXML( QDomNode & theNode );
+    bool readXML( const QDomNode & theNode );
     /** Stores state to the given Dom node in the given document.
      * Below is an example of the generated tag.
      \code{.xml}

src/core/composer/qgscomposermapgrid.cpp

@@ -404,7 +404,7 @@ bool QgsComposerMapGrid::readXML( const QDomElement& itemElem, const QDomDocumen
   QDomElement crsElem = itemElem.firstChildElement( "spatialrefsys" );
   if ( !crsElem.isNull() )
   {
-    mCRS.readXML( const_cast<QDomElement&>( itemElem ) ); //better would be to change argument in QgsCoordinateReferenceSystem::readXML to const
+    mCRS.readXML( itemElem );
   }
   else
   {

src/core/qgscoordinatereferencesystem.cpp

@@ -1145,7 +1145,7 @@ QString QgsCoordinateReferenceSystem::toWkt() const
   return mWkt;
 }
 
-bool QgsCoordinateReferenceSystem::readXML( QDomNode & theNode )
+bool QgsCoordinateReferenceSystem::readXML( const QDomNode & theNode )
 {
   QgsDebugMsg( "Reading Spatial Ref Sys from xml ------------------------!" );
   QDomNode srsNode  = theNode.namedItem( "spatialrefsys" );

src/core/qgscoordinatereferencesystem.h

@@ -230,7 +230,7 @@ class CORE_EXPORT QgsCoordinateReferenceSystem
      * @param theNode The node from which state will be restored
      * @return bool True on success, False on failure
      */
-    bool readXML( QDomNode & theNode );
+    bool readXML( const QDomNode & theNode );
     /** Stores state to the given Dom node in the given document.
      * Below is an example of the generated tag.
      \code{.xml}